Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Midland/Odessa, TX

October 21, 2021Jeff Davis County, Texas

NWS Midland/Odessa, TX issued this special weather statement at Oct 21, 2021, 2:28 PM CDT for Jeff Davis County, Texas. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Oct 21, 2021, 2:28 PM CDT (19:28 UTC)
Expired
Oct 21, 2021, 3:15 PM CDT
In force
47 min
Issued by
NWS Midland/Odessa, TX
Hail
0.50 in
Wind
40

County Jeff Davis County, TX

The radar

The Midland/Odessa radar (KMAF), 222 km from the middle of the area, began a volume at 19:31 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 7.5 hours before the alert went out and 222 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Midland Regional, TX at 12:00Z on 2021-10-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1076 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 12:00Z on 2021-10-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1076 J/kg
Mixed-layer CIN
-203 J/kg
Mixed-layer LCL
820 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Midland/Odessa, TX wrote its last area forecast discussion before this special weather statement went out at Oct 21, 12:11 PM CDT, 2 hours 17 minutes earlier.

Area forecast discussion, Oct 21, 12:11 PM CDT, 2 hours 17 minutes before
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</head>
<body>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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Hazardous weather outlook, Oct 21, 1:59 PM CDT, 29 minutes before
Hazardous Weather Outlook
National Weather Service Midland/Odessa TX
159 PM CDT Thu Oct 21 2021

NMZ027>029-033-034-TXZ045>048-050>053-059>063-067>070-075-082-
270>282-221900-
Guadalupe Mountains of Eddy County-Eddy County Plains-
Northern Lea County-Central Lea County-Southern Lea County-Gaines-
Dawson-Borden-Scurry-Andrews-Martin-Howard-Mitchell-Loving-Winkler-
Ector-Midland-Glasscock-Ward-Crane-Upton-Reagan-Pecos-Terrell-
Guadalupe Mountains Above 7000 Feet-Guadalupe and Delaware Mountains-
Van Horn and Highway 54 Corridor-Eastern Culberson County-
Reeves County Plains-Chinati Mountains-Marfa Plateau-Davis Mountains-
Davis Mountains Foothills-Central Brewster County-Chisos Basin-
Presidio Valley-Lower Brewster County-
159 PM CDT Thu Oct 21 2021 /1259 PM MDT Thu Oct 21 2021/

This Hazardous Weather Outlook is for portions of southeast New
Mexico, southwest Texas, and western Texas.

.DAY ONE...This Afternoon and Tonight

A few strong storms are possible across the Davis Mountains, Marfa
Plateau, over to the Lower Trans Pecos this afternoon and early
evening. Strong wind gusts, hail, and lightning will be the primary
concerns.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

Please relay any information about observed severe weather to the
NWS while following all local, state and CDC guidelines.

This product, along with other watches, warnings, advisories,
and statements issued by the National Weather Service Office in
Midland, can be found on the internet at...
https://weather.gov/midland

In the hours before

Special weather statement, Oct 21, 2:28 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Midland/Odessa TX
228 PM CDT Thu Oct 21 2021

TXZ277-278-212015-
Davis Mountains Foothills TX-Davis Mountains TX-
228 PM CDT Thu Oct 21 2021

...A strong thunderstorm will impact portions of southeastern Jeff
Davis County through 315 PM CDT...

At 227 PM CDT, Doppler radar was tracking a strong thunderstorm over
McDonald Observatory, or 7 miles northwest of Fort Davis, moving east
at 10 mph.

HAZARD...Winds in excess of 40 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Fort Davis, McDonald Observatory, Davis Mountains State Park, Black
Mountain, Star Mountain, Buffalo Trail Scout Camp, Indian Lodge and
Fort Davis National Historical Site.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3059 10414 3082 10406 3080 10375 3047 10380
TIME...MOT...LOC 1927Z 286DEG 8KT 3067 10398

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

10

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 21, 2:18 PM CDTAreal Flood AdvisoryMAFJeff Davis117 min
Oct 21, 2:39 PM CDTAreal Flood AdvisoryMAFBrewster, Presidio3 hr
Oct 21, 2:52 PM CDTFlash Flood WarningMAFJeff Davis3 hr
Oct 21, 3:08 PM CDTSpecial Weather StatementMAFPresidio52 min
Oct 21, 3:09 PM CDTSpecial Weather StatementMAF51 min
Oct 21, 3:30 PM CDTSpecial Weather StatementMAF45 min
Oct 21, 3:36 PM CDTSevere Thunderstorm WarningMAFBrewster, Jeff Davis, Presidio39 min
Oct 21, 3:38 PM CDTSevere Thunderstorm WarningMAFBrewster52 min
Oct 21, 4:10 PM CDTAreal Flood AdvisoryMAFBrewster3 hr
Oct 21, 4:18 PM CDTSpecial Weather StatementMAFPecos42 min
Oct 21, 4:27 PM CDTSevere Thunderstorm WarningMAFBrewster48 min
Oct 21, 4:35 PM CDTFlash Flood WarningMAFBrewster3 hr
Oct 21, 4:49 PM CDTSpecial Weather StatementMAFPresidio41 min
Oct 21, 4:56 PM CDTSpecial Weather StatementMAFPresidio49 min
Oct 21, 5:13 PM CDTSpecial Weather StatementMAFBrewster47 min
Oct 21, 5:27 PM CDTSevere Thunderstorm WarningMAFBrewster, Presidio48 min
Oct 21, 5:34 PM CDTSevere Thunderstorm WarningMAFBrewster41 min
Oct 21, 6:15 PM CDTSpecial Weather StatementMAFPresidio45 min
Oct 21, 6:24 PM CDTSevere Thunderstorm WarningMAFBrewster, Presidio29 min

Nearby

Special Weather Statements in Texas, 2021Every special weather statement in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.